422556705 has 24 divisors (see below), whose sum is σ = 733353192. Its totient is φ = 225080064.

The previous prime is 422556697. The next prime is 422556707. The reversal of 422556705 is 507655224.

It can be written as a sum of positive squares in 4 ways, for example, as 150405696 + 272151009 = 12264^2 + 16497^2 .

It is not a de Polignac number, because 422556705 - 2³ = 422556697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422556705.

It is not an unprimeable number, because it can be changed into a prime (422556707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33087 + ... + 44043.

It is an arithmetic number, because the mean of its divisors is an integer number (30556383).

Almost surely, 2^422556705 is an apocalyptic number.

422556705 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

422556705 is a deficient number, since it is larger than the sum of its proper divisors (310796487).

422556705 is a wasteful number, since it uses less digits than its factorization.

422556705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11825 (or 11822 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 422556705 is about 20556.1841060057. The cubic root of 422556705 is about 750.4037559359.

The spelling of 422556705 in words is "four hundred twenty-two million, five hundred fifty-six thousand, seven hundred five".